Use this overview of the DATA_EXCH function block to configure Modbus TCP explicit messages.
These instructions describe the configuration of the DATA_EXCH function block’s management parameter, which is common to both Modbus TCP explicit messaging.
In a redundant system, the primary BMENOP0300 module sends the explicit message. Even when a switchover occurs and the primary becomes the standby, the module can run the active sections.
This section contains the following topics: